What is the Least Common Multiple of 23809 and 23820?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 23809 and 23820 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23809 and 23820, than apply into the LCM equation.

GCF(23809,23820) = 1
LCM(23809,23820) = ( 23809 × 23820) / 1
LCM(23809,23820) = 567130380 / 1
LCM(23809,23820) = 567130380

Least Common Multiple (LCM) of 23809 and 23820 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23809 and 23820. First we will calculate the prime factors of 23809 and 23820.

Prime Factorization of 23809

Prime Factorization of 23820

Now multiplying the highest exponent prime factors to calculate the LCM of 23809 and 23820.

LCM(23809,23820) = 29¹ × 821¹ × 2² × 3¹ × 5¹ × 397¹
LCM(23809,23820) = 567130380